From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

An alien star has now been discovered to have an extra planet that astronomers so far cannot explain. A fourth planet has been imaged orbiting the bright, very young star HR 8799, nearly 130 ...

Like cosmic sleuths with a time machine, astronomers conducted a thorough re-analysis of old data collected by NASA's Hubble Space Telescope in 1998, and found visual evidence for two alien planets ...

In recent decades, exoplanets discovery has revolutionized our understanding of the cosmos. These distant worlds, orbiting stars beyond our Sun, have opened an entirely new chapter in astronomy. Once ...

New discoveries and fresh looks at familiar worlds show how far exoplanet science has come — and how much remains unknown. When you purchase through links on our site, we may earn an affiliate ...

The keen eyes of a 17-year-old intern spotted a massive alien world 'hiding' around a binary star Scientists and volunteers have been sifting through data sent back by NASA's planet huntering ...

Pocock, a space scientist at University College London and BBC presenter, predicts alien life will be found by 2075 but ...

NASA's Transiting Exoplanet Survey Satellite (TESS) has found two planets similar in size to Earth and within the habitable zone of star TOI 700 . We might temper our excitement though, as this is not ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such signals have arrived, no RNA instructions lurk in the static, and no shared ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

Most of 2025 was filled with alien talk, UFOs, UAPs, whether or not extraterrestrials exist out in the universe or not, and they could someday visit us. With 3I/ATLAS, the third interstellar object ...